Found the following significant warnings:
  ./randomForestSRC.h:448:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:449:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:727:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:752:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:1200:33: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:1843:39: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:1844:36: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:1856:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:1863:22: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:1876:33: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:1877:35: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:1878:34: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:1879:36: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:1880:34: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:1881:36: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:1950:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:2166:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:2168:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./randomForestSRC.h:2184:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:1490:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:1587:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:5846:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:6100:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./splitCustom.h:22:29: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:11955:33: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:22095:39: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:22401:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:22810:33: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:22845:35: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:22859:34: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:22896:36: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:22904:34: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:22927:36: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:22936:22: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:23817:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:27269:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:27282:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  randomForestSRC.c:27466:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ../inst/include/lapacke.h:161:25: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ../inst/include/lapacke/lapacke_nancheck.h:38:32: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  splitCustom.c:8:29: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-clang/RFCCA.Rcheck/00install.out’ for details.
* used C compiler: ‘clang version 16.0.0’